code: def build_data(self, audio_data: AudioData) -> bytes:
      flac_data = audio_data.get_flac_data(
          convert_rate=self.to_convert_rate(audio_data.sample_rate),
          convert_width=2,  # audio samples must be 16-bit
      )
      return flac_data
  
imports: from __future__ import annotations
  import json
  from typing import Dict, Literal, TypedDict
  from urllib.error import HTTPError, URLError
  from urllib.parse import urlencode
  from urllib.request import Request, urlopen
  from typing_extensions import NotRequired
  from speech_recognition.audio import AudioData
  from speech_recognition.exceptions import RequestError, UnknownValueError
label_desc: Use image node_id 5 for calling the RequestBuilder obj's underlying member method code with example usage: obj.build_data(audio_data) and returns: flac_data